Strip shingle



Patented Aug. 14, 1923.

UNITED STATES LEON BUSHA, 0F MINNEAPOLIS, MINNESOTA.

STRIP BHINGLE.

Application led Karch 17, 1923.

To all whom it may concern: t

Be it known that I-, LEON BUSHA, cltlzen 'of the United States, resident of Minneapolis, in the county of Hennepin and State of Minnesota, have invented certain new and useful Improvements in Strip Shingles, of which the following is a specification.

This invention relates to improvements in stri shingles for covering the roofs 0r walls of uildings Aformed preferably of roofing felt or material of a similar nature, with a mineral covering or surface usually formed of finely divided slate or similar material.

The object of my present invention is to provide a strip shingle that can be cut from a rectangular sheetv or strip of material with practically no waste whatever; that can be convenientl formed either lengthwise or crosswise o the piece of material; that will, when laid, simulate the appearcnce of a tile or shingle roof, and thatwill provide at least two thicknesses of shingles at all portions of the roof or wall.

The invention consists generally in the constructions and combinations hereinafter described and particularly pointed out in the claims.

In the accompanying drawings,

Figure 1 is a plan view of a smgle shingle embodying my invention;

Figure 2 is a plan of a sheet of material or a portion of a sheet, illustrating the manner in which the strip shingles may be cut therefrom;

Figure 3 is a plan View showing a preferred, manner of laying the shingles to form a roof or wall covering.

In the drawing, l represents the body por-v tion of the strip shingle, which may be formed, in the usual way, with a foundation sheet of wool felt, a coating or layer of pitch, as halt or the like, on one surface of the felt, and a layerof crushed slate or similar material pressed into the coating and held in place thereby.

I form, at one edge of the body projecting extensions or butts, 2, 2, here shown of enerally rectangular form, but with the lase of the butt widened by the diagonal or Vinclined lines -b and the tip of the butt corresponda ly narrowed by the inclined or diagonal llne c-rL Separating spaces 3, 3, are thereby provided, each equal 1n outline or contour and area, to the outline, contour and area of each of the butts 2. The shingle may be cut from a rectangular sheet serial no. 625,847.

of single width by separating said sheet longitudinally on the dotted lines 5, 5, F igure 2, and transversely on the dotted lines 6, 6, and 8, 8.

If the sheet is of double width it will also be severed along the straight dotted line 7, 7. From a single width sheet two strip shingles will be formed by cutting in the manner described and from a double Width sheet four such shingles will be formed.

In the starting of the manufacture of the shingles from a double strip, as indicated in yFigure 2, there will be at the end of the strip a slight amount of waste as shown between the points marked e-e at' the 'right in Figure 2 of the drawings, but there will be no further waste 'until the opposite end of the sheet is reached.

It will be seen that in cutting two of the shingles from a strip wide enough to produce the shingles in pairs, or wide enough to roduce four shingles across the sheet, as illustrated in Fi ure 2, the line 6, 6, ex tends from the stralght edge of the shingle to one of the points d, at the end of the butt, while the line 8, 8, extends also from the straight edge of the complementary shingle to the next point d on the oppositely extending `butt of the next shingle. This arrangement froms a small notch at one side of the end butt, slightly off-setting the line b, c, at the side of the butt next to the end of the shingle.

The shingles are adapted to be laid as indicated in Figure 3 of the drawings and when so laid the form a roof of quite a different design rom the roof shown, for example, in my application 618283 and in some respects a more stable roof than a roof formed by the shingle of that application, for example, the inclined edges a, b, render the butts 2 wider at the line where they join the main body of the shingle than the butts of my other ap lication and, therefore, these butts will o er greater resistance to being turned up by the wind. In effect what has been done in the present application is to transfer the corner formed by cutting the lines c-d from the lower edge of the butt to the corner a-b where the body joins the main butt of the shingle and this transfer materially makes the butt stiffer, although the shingle as a whole is made out of the same amount of material as the shingle of my said other application.

The other minor advantages accompanying the particular form of this shingle for example, While it takes more knives to cut the edges of the shingle in the present application the knives are made smaller on the cutting machine but the strain on each knife becomes less and the cutting edges last longer.

rI`hese shingles are preferably cut lengthwise of the sheet as indicated in Figure 2. By thus cutting the shingles and making the butts three and onehalfI inches long and the distance from the ends of the butts to the opposite edge of the shin 1e ten and three-fourths inches, four strip s ingles can be cut, in the manner indicated in Figure 2, from a sheet thirty-six inches wide.

I prefer to construct the shingles so that from the tip of the butt to the other edge or top of the body shall be a distance equal to more than three times the length that the butt projects from the main body of the shingle.

By this arrangement the roof, or covering when laid, as indicated in Figure 3 of the drawings, has three thicknesses of material at the projecting butts, and two thicknesses of material elsewhere.

By this means I produce, with practically no waste a very superior shingle that gives a maximum oi' three thicknesses of material in the roof or covering (at the butts) and a minimum of two thicknesses of such material elsewhere, and in which the joints are all covered by 'the butts so that there are three thicknesses of material at each joint, an integral portion of a sheet being over and under each joint.

The length and Width of the strip shingles, and the length and width of the butt, may be varied Without departing from my invention.

I do not limit myself, therefore to any particular size or dimension of parts, nor to any particular material for forming the same.

I claim as m invention.

1. A strip shingle comprising a body portion having a plurality of separated butts projecting from one edge thereof, the butts being connected with the body portion, at i their bases, by inclined lines, and the size and contour of each butt corresponding to the size and contour of the adjoining separating space, whereby a pair of strip shingles may be cut from a rectangular sheet of material, the end of the inclined line at the base of one butt meeting the end line of the body portion at that end of the shingle.

2. A strip shingle comprising a body portion having a plurality of separated butts projecting from one edge thereof, the butts being connected with the bodypoi-tion at their bases by inclined lines, and the ends of the butts being correspondingly shaped, whereby a pair of strip shingles may be cut from a rectangular sheet of material, the end of the inclined line at the base of one butt meeting the end line of thc body portion at that end of the shingle.

3. A strip shingle comprising a body portion having a plurality of separated butts projecting from one edge thereof, the butts being connected with the body portion at their bases by an inclined line` and the ends of the butts being correspondingly shaped, the size and contour of cach butt corresponding to the size and contour of the adjoining separating space, the end of the inclined line at the base of one butt meeting the end line of the body portion at that end of the shingle.

In witness whereof, I have hereunto set my hand this 13th day of March 1923.

LEON BUSHA. 

